4 institutions reported holding $2.4M of IMPERIAL PETE INC (IMPPP) in SEC 13F filings for 2026-03-31. Largest institutional holders: SIMPLEX TRADING, LLC ($1.2M), GROUP ONE TRADING LLC ($753,280), IMC-Chicago, LLC ($347,964), SG Americas Securities, LLC ($90,000). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $1.2M | 277,300 | Trimmed |
| 2 | GROUP ONE TRADING LLC | $753,280 | 176,000 | Trimmed |
| 3 | IMC-Chicago, LLC | $347,964 | 81,300 | New |
| 4 | SG Americas Securities, LLC | $90,000 | 201,000 | Hold |
Source: SEC Form 13F filings · as of 2026-03-31